Home / 330,000.20-495,000.30-119,610.80

Finding the Fourth Proportional to 330,000.20, 495,000.30 and 119,610.80

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Solution

The fourth proportional to 330,000.20, 495,000.30 and 119,610.80 is: 179,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,000.20 : 495,000.30 = 119,610.80 : x
  2. Step 2: Convert to fraction form
    330,000.20/495,000.30 = 119,610.80/x
  3. Step 3: Cross multiply
    330,000.20x = 495,000.30 × 119,610.80
  4. Step 4: Simplify right side
    330,000.20x = 59,207,381,883.24
  5. Step 5: Solve for x
    x = 59,207,381,883.24/330,000.20
  6. Step 6: Final answer
    x = 179,416.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.